// Base class
//
// Easily usable on <ul>, <ol>, or <div>.

.list-group {
    display: flex;
    flex-direction: column;
    // No need to set list-style: none; since .list-group-item is block level
    padding-left: 0; // reset padding because ul and ol
    margin-bottom: 0;
}

// Interactive list items
//
// Use anchor or button elements instead of `li`s or `div`s to create interactive
// list items. Includes an extra `.active` modifier class for selected items.

.list-group-item-action {
    width: 100%; // For `<button>`s (anchors become 100% by default though)
    color: $list-group-action-color;
    text-align: inherit; // For `<button>`s (anchors inherit)
    // Hover state
    @include hover-focus() {
        z-index: 1; // Place hover/focus items above their siblings for proper border styling
        color: $list-group-action-hover-color;
        text-decoration: none;
        background-color: $list-group-hover-bg;
    }

    &:active {
        color: $list-group-action-active-color;
        background-color: $list-group-action-active-bg;
    }
}

// Individual list items
//
// Use on `li`s or `div`s within the `.list-group` parent.

.list-group-item {
    position: relative;
    display: block;
    padding: $list-group-item-padding-y $list-group-item-padding-x;
    color: $list-group-color;
    background-color: $list-group-bg;
    border: $list-group-border-width solid $list-group-border-color;

    &:first-child {
        @include border-top-radius($list-group-border-radius);
    }

    &:last-child {
        @include border-bottom-radius($list-group-border-radius);
    }

    &.disabled,
    &:disabled {
        color: $list-group-disabled-color;
        pointer-events: none;
        background-color: $list-group-disabled-bg;
    }
    // Include both here for `<a>`s and `<button>`s
    &.active {
        z-index: 2; // Place active items above their siblings for proper border styling
        color: $list-group-active-color;
        background-color: $list-group-active-bg;
        border-color: $list-group-active-border-color;
    }

    & + & {
        border-top-width: 0;

        &.active {
            margin-top: -$list-group-border-width;
            border-top-width: $list-group-border-width;
        }
    }
}

// Horizontal
//
// Change the layout of list group items from vertical (default) to horizontal.

@each $breakpoint in map-keys($grid-breakpoints) {
    @include media-breakpoint-up($breakpoint) {
        $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

        .list-group-horizontal#{$infix} {
            flex-direction: row;

            .list-group-item {
                &:first-child {
                    @include border-bottom-left-radius($list-group-border-radius);
                    @include border-top-right-radius(0);
                }

                &:last-child {
                    @include border-top-right-radius($list-group-border-radius);
                    @include border-bottom-left-radius(0);
                }

                &.active {
                    margin-top: 0;
                }

                & + .list-group-item {
                    border-top-width: $list-group-border-width;
                    border-left-width: 0;

                    &.active {
                        margin-left: -$list-group-border-width;
                        border-left-width: $list-group-border-width;
                    }
                }
            }
        }
    }
}

// Flush list items
//
// Remove borders and border-radius to keep list group items edge-to-edge. Most
// useful within other components (e.g., cards).

.list-group-flush {
    .list-group-item {
        border-right-width: 0;
        border-left-width: 0;
        @include border-radius(0);

        &:first-child {
            border-top-width: 0;
        }
    }

    &:last-child {
        .list-group-item:last-child {
            border-bottom-width: 0;
        }
    }
}

// Contextual variants
//
// Add modifier classes to change text and background color on individual items.
// Organizationally, this must come after the `:hover` states.

@each $color, $value in $theme-colors {
    @include list-group-item-variant($color, theme-color-level($color, -9), theme-color-level($color, 6));
}